Home / 39,635.01-59,457.69-20,915.82

Finding the Fourth Proportional to 39,635.01, 59,457.69 and 20,915.82

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Solution

The fourth proportional to 39,635.01, 59,457.69 and 20,915.82 is: 31,376.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,635.01 : 59,457.69 = 20,915.82 : x
  2. Step 2: Convert to fraction form
    39,635.01/59,457.69 = 20,915.82/x
  3. Step 3: Cross multiply
    39,635.01x = 59,457.69 × 20,915.82
  4. Step 4: Simplify right side
    39,635.01x = 1,243,606,341.66
  5. Step 5: Solve for x
    x = 1,243,606,341.66/39,635.01
  6. Step 6: Final answer
    x = 31,376.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.